The recommended operating voltage range for CY8C3665LTI-044 is 1.71V to 5.5V.
The clock source for CY8C3665LTI-044 can be configured using the Clock Divider and the IMO (Internal Main Oscillator) or an external clock source. The configuration is done through the Clock Control Register (CLK_CTRL).
The maximum frequency of the CPU in CY8C3665LTI-044 is 67 MHz.
CY8C3665LTI-044 has several low-power modes, including Sleep, Hibernate, and Stop modes. These modes can be implemented using the Power Mode Register (PM_CTRL) and the Sleep Timer (SLEEP_TIMER).
The maximum amount of flash memory available in CY8C3665LTI-044 is 64 KB.